Hey Sky,
I thought about that, but realized I forgot to order the metal ones when I ordered the wrap. Not sure if you can see in the picture, but in that area all of the cables and wires have plastic zip ties. I use the industrial ones I steal from my office, not the HF or Walmart version.

You know, after I added that second fan on the other side of the engine to push air out of the engine compartment, it stays a lot cooler in there. It was a great modification for less than $125 (I can't recall the exact price). And easy too. I haven't measured it, but it seems it keeps the bedroom cooler also.

I do, on my computer I only have my rough in install pictures, but you get the idea. I thought I had posted a write up on this a long time ago. I bought the fan from etrailer. I wanted to move a lot of air, I went with the 1650 CFM. I wanted to move the hot air out from the top of the engine compartment and help the radiator cool more effectively. So I mounted the fan as high and halfway between the engine and louvers. I mounted the temp sensor on the ceiling above the engine on one of the compartment lights.

I used aluminum angle to hold the fan and some 2" x 1/4" Al strapping to secure it. I wired the fan to my old ether boost switch (I removed the inline thermostat and changed the switch from a momentary to an on / off). So I can control the fan from inside the coach. The thermostat is easily adjustable. I kept an on/off on the fan in case I need to use it while working on the engine.

Fan was $116, plus the angle probably $20. I can tell you that my engine stays much much cooler during the very hot summer months.